Adaptor plug



FIG. 1 is a perspective view showing the front view of the adaptor embodying my design;

FIG. 2 is a right side view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a top and left side view at 45 degrees thereto. 

The ornamental design for an adaptor plug, as shown and described. 